For indoor and outdoor use, Lock is best used for residential gates & fences, sheds, workshops & garages, storage lockers, tool boxes and more. Lock includes Dual Armor construction: Stainless steel with Titanium reinforcement for strength, covered keyway for maximum weather protection. Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel, shrouded design minimizes shackle exposure and protects against bolt cutter attacks. 2-5/16 in. wide lock body, 5/16 in. diameter shackle with 15/16 in. length, 1-1/32 in. width. One padlock, two keys.